This is another article in the chapter Enormities from the classical manual on Sharia called Reliance of the Traveller. The articles are posted one by one in the order they are given in the book.
p69.0 WITHHOLDING EXCESS WATER FROM OTHERS
p69.1 The Prophet (Allah bless him and give him peace) said:
(1) “Whoever denies others his surplus water or pasturage, Allah shall deny him His blessing on the Day of Judgement.”